EU/AU/AS/C models | Toshiba GD-1220, GD-1221 specs

EU/AU/AS/C models

NCU board

Line current

detection

circuit

REVA REVB

CML

Line

External telephone

CN3

Lb

La

a2

b2

1

0

1

0

RLY3

CML relay

Dial pulse generation circuit

T1

RLY4

Relay

AG

~

DB1

-+

DC

~consumption

circuit

Ring signal

detection

circuit

IC5 IC6

Analog

switch

IC6 IC3 IC4

Analog

switch

IC4

CNG signal

detection

circuit

LD

TXOUT

ATT3DB

RXIN

ANSDET

RLADJ1

RLADJ2

CI

CN4

FAX board

4

Fig. 4-3

© 2006 - 2008 TOSHIBA TEC CORPORATION All rights reserved	GD-1220/1221
	ELECTRICAL CIRCUITS

4 - 3

Image 63

Toshiba GD-1220, GD-1221 service manual EU/AU/AS/C models

Contents

GD-1220/1221 Page Transportation/Installation Vorsicht Important Service Parts for Safety Contents 2006 2008 Toshiba TEC Corporation All rights reserved System firmware version FAX OptionsGD-1220 GD-1221 Remarks STUDIO165/205 Available STUDIO167/207/237 Specifications DBm to 0 dBm Level -55 dBm or lower cannot be detected DBm to -8 dBm The setting can be changed by 1 dBTransmission system Embedded Dimension width x length Printing area FolioComp Features Specifications and Outline of System 08/08 Accessories and Parts Following accessories and parts come with the FAX unitAccessory Qty Extends the FAX functions when the FAX unit is installed OptionsOption Function Model System List NA/EU/AU/TWADF Radf Units and Components PWA-F-NCU-631 Symbol Name FunctionLayout of PC Boards FAX Recording paper size LSU-RELATED Functions Size Horizontal x Vertical Effective recording area Effective recording area 297 x 293 x A4-R 210 x 206 x A5-R 148 x 144 x 257 x 253 x For MJD, AUD, ASD, SAD, TWD, and CND models Unit mm inchInch Feed direction Mm 0.16 inch Effective recording area Size Horizontal x Vertical Effective recording range Print mode Recording paper selection algorithm and print algorithm Recording paper selection algorithmPrint algorithm Judgment parameter Reception print flowchart Start Receive FAX Bit Discard parameter Discard printing Vertical reduction print Similar reduction print RTI Scanning width For MJD, AUD, ASD, SAD, TWD, CND modelsScanning ST-R Comp For MJD, AUD, ASD, SAD, TWD, and CND models Recording paper rangeRecording paper range A4-R Folio Folio *1 Recording paper range LT long Comp long LD longComp *2 Comp *1 Recording paper range A4 long B4 long A3 long Error processing Order Drawer Limitations on reception print LSU-RELATED Functions Standby state Circuit Connection and Procedure to Change ModeDial call-up transmission to a telephone circuit YES Telephone circuit Selection of the communication modeProcedure to select the transmission mode Communication mode Toshiba original procedure Signal name Signal form Signaling System Diagram and Signal FormsCircuit control signals This signal can be sent manually Signal form Receiver Communication with the binary signalsImage signal Mode change is possible only for the original set manually Frames received Error occurred Only error frame retransmitted 1 completed 2 completed CED Nsfcsidis CFRMCF Binary signals PRI-MPS PIPPIN PRI-EOM When this frame is the last frame, X = FCF FIF FCSFormat Binary signal Format FCF format of each binary signal 9600 bps, 7200 bps 4800 bps, 2400 bpsTCF 3 V.8/V.34 communication sequence Line closed Standard procedure Transmitter Receiver Signal name Abbreviation Function Remarks Frequency transmission Capability Tone signal betweenHz and 3,750 Hz in units 150 Hz ALT TRN Receiver Maintains the synchroniza 7E H TionReceives an NSF sent from Transmitter Encoded image data Turn off Scrambled 1 is sent for Image data Image data are sent. TransmitterScrambled data frame to be Is completed Informs to disconnect the line Short training SignalPPS-EOP Transmission of one Is completed Line closed DIS cannot be recognized DIALING/COMMUNICATION Control DIALING/COMMUNICATION Control DIALING/COMMUNICATION Control DIALING/COMMUNICATION Control General functions FAX Automatic SwitchingTEL mode FAX mode DIALING/COMMUNICATION Control GD-1220/1221 Configuration Description of Circuits Configuration EU/AU/AS/C models ATT3DB1 Line path switching control circuitSignal Name Type Active Description Destination CML1 RLY3, IC3 IC3IC5 Dial pulse generation circuit Line 1 Dial Pulse Generation Signal Q53 Line 1 Dial Pulse Generation Signal REVA1 Line Current Detection Signal IC23Line Reverse Current Detection Signal IC23 Line current detection circuit Current Reverse Line 1 Current Detection IC23 Signal Line 1 Current Detection Signal IC23 CI detection circuit Line 1 CI Detect Signal IC23 Line 1 CI Detection Signal IC23 FAX board Line monitor circuit LOW High Monitoring signalRinger/Alarm Line Monitor Sound volume PWA-F-FAX-635 GD-1220 PC Boards PWA-F-FAX-678 GD-1221 PWA-F-NCU-631 NAD, TWD, SAD PWA-F-NCU-631 MJD, AUD, ASD, CND Electrical Circuits Explanation to the Users Installation Installation